Quality of bark

[WhereEaglesDare]

How much does the quality of MHRB effect the yield?

I have just done an extraction using Cyb's hybrid salt tek and the bark I used was very dry with lots of hard chunks of bark. The first 2 pulls where clear until they hit the glass dish, then they turned milky, especially if blew on. The last 2 or 3 pulls where yellow/clear and didnt go milky when hitting the dish. THey have been in the freezer for 2 or 3 hours and the first dish is yielding, but less than expected. The second dish looks like a complete waste of time.

The only other variable is the size of the bottle I used which was larger than needed so I topped it up with an extra 400ml of deionised water to aid the pulling stage. Could this have also effected it??

 

[JustCurious.]

Well the quality of the bark determines the maximum yield you can achieve. You can only extract what the bark contains, some bark is probably of a lower quality than others and will contain lower alkaloid content. Using a larger bottle on its own is not a problem, but adding the extra water will lower the pH, but I doubt it will have affected the yield too much. Buy a pH meter so you can always assure yourself you are at the correct pH, that way, if you end up with a poor yield, you can concentrate on what other variables may have caused the low yield.

 

[concombres]

2-3hrs is not where near enough time for freeze precip. I`ve had pulls that look to be almost zero until 10+hrs in. Other times not much more precipitated after 6hrs.

Wait a few days & see how it turns out. If the mhrb is top quality, I usually yeild 2% within 4 pulls. 3 is probably sufficient but I always just do 4 & slow evap down to a small amount before freeze precip.

If you havn`t, try evaporating down your seemingly empty pulls & freeze precipitating once they reach ~1/2 the original volume.

If all else fails, your bark is probably exhausted & that's all you`'ll get from it.